About: http://webisa.webdatacommons.org/410088950

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Rn and Ro are independently hydrogen, (C1 -C6)alkyl, phenyl, benzyl, or (C1 -C6)alkanoyl; or Rn and Ro together with the nitrogen to which they are attached are a 3, 4, 5, or 6 membered heterocyclic ring;
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk